Full job description

About Hennessey

Hennessey Performance Engineering is a globally recognized leader in high‑performance vehicle upgrades and specialty builds. Our vehicles are known worldwide for precision, power, and quality. We are seeking an experienced technician to support warranty diagnosis, repair, and rework on Hennessey‑modified vehicles while maintaining the highest standards of craftsmanship.

Position Summary

The Warranty Performance Technician is responsible for diagnosing, repairing, and validating warranty‑related issues on Hennessey vehicles. This role requires hands‑on experience with high‑performance cars, a strong understanding of aftermarket performance systems, and the ability to identify root causes while ensuring repairs meet Hennessey quality standards.

This role requires a minimum of 2 years of experience working on performance vehicles.

• Diagnose and repair warranty‑related concerns on Hennessey‑modified vehicles
• Perform removal, reinstallation, and correction of performance components including superchargers, intake systems, intercoolers, and supporting hardware
• Troubleshoot and repair issues
• Performance suspension and steering systems
• Performance brake systems
• Power adders (superchargers, turbochargers, nitrous systems, etc.)
• Perform vehicle maintenance and corrective work including:
• Spark plugs, oil changes, cooling system services
• Brake system bleeding and inspections
• Install, remove, or adjust aftermarket components
• Exhaust systems, lift and leveling kits, brake upgrade kits
• Wheels and tires, skid plates, grills, and lighting
• Use diagnostic and service resources such as ALLDATA and Mitchell1 ProDemand
• Document findings clearly and communicate with production, quality, and warranty teams as needed
• Maintain a clean, organized, and safe work area is a priority.

Required Skills & Abilities

• Strong diagnostic mindset with excellent attention to detail and quality
• Ability to work independently while meeting deadlines
• High level of integrity, professionalism, and accountability
• Strong verbal and written communication skills
• Ability to interact effectively with technicians, managers, and support teams

Education & Experience

• Required:
• 2+ years of hands‑on experience working on performance vehicles (dealership or high‑performance shop)
• High school diploma or equivalent
• Automotive trade school diploma
• Manufacturer certifications
• Brakes, steering, suspension
• Advanced electrical diagnostics
• NVH diagnostics
• Engine management systems

Physical Requirements

• Ability to stand for extended periods
• Frequent bending, twisting, and working in tight spaces
• Exposure to shop and outdoor environments
• Ability to lift 50–80 lbs on a consistent basis

Pay: $30.00 - $40.00 per hour

Benefits:

• 401(k)
• Dental insurance
• Employee discount
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Referral program
• Relocation assistance
• Vision insurance

Application Question(s):

• Required: Please explain your Automotive Performance experience and why are interested in this opportunity ?

Education:

• High school or equivalent (Required)

Experience:

• Performance tuning: 2 years (Required)
• Automotive engineering: 2 years (Required)

Location:

• Sealy, TX 77474 (Preferred)

Ability to Commute:

• Sealy, TX 77474 (Required)

Ability to Relocate:

• Sealy, TX 77474: Relocate with an employer provided relocation package (Required)

Willingness to travel:

• 50% (Preferred)

Work Location: In person